package TeamR3.service;

import java.util.List;

import TeamR3.entity.User;

public interface UserService {
	public abstract List<User> queryAllUsers();
	public abstract User getUser(String user_name,String user_password);
	public abstract int addUser(String user_name,int user_privilege,String user_password);
	public abstract int modifyUser(String user_name,int user_privilege,String user_password);
	public abstract int delUser(String user_name);
}
